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• SITE: GW-N40 <br />25-Feb-0S 31-Aug-0S <br />FIELD PARAMETERS <br />pH 7.31 7.01 <br />Water Temperature (deg C) 11.8 19.4 <br />Conductivity (umhos/cm) 2520 3121 <br />LABORATORY PARAMETERS <br />Metals Analysis <br />Aluminum, dissolved 0.06 0.08 <br />Calcium, dissolved 572 585 <br />Iron, dissolved 0.10 0.04 <br />Lead, dissolved 0.0011 0.0003 <br />Magnesium, dissolved 157 172 <br />Manganese, dissolved 2.30 0.26 <br />Molybdenum, dissolved 0.02 0.02 <br />Potassium, dissolved 3.5 3.8 <br />Selenium, dissolved 0.001 0.002 <br />Sodium, dissolved 86.9 88.7 <br />• Wet Chemistry <br />Bicarbonate as CaCO3 334 396 <br />Carbonate as CaCO3 2 2 <br />Hydroxide as CaCO3 2 2 <br />Total Alkalinity 334 396 <br />Cation-Anion Balance -1.6 0.5 <br />Sum of Anions 47.1 46.9 <br />Sum of Cations 45.6 47.4 <br />Chloride 12 13 <br />Conductivity @25C 3180 2830 <br />Hardness as CaCO3 2080 2170 <br />Nitrate as N, dissolved 0.05 0.02 <br />Nitrate/Nitrite as N, dissolve 0.05 0.03 <br />Nitrite as N, dissolved 0.01 0.01 <br />Nitrogen, ammonia 0.05 0.05 <br />pH (lab) 7.7 7.7 <br />Phosphate 0.12 0.12 <br />Phosphorus, ortho dissolved 0.04 0.04 <br />Residue, Filterable (TDS) @180 3070 3350 <br />Sodium Absorption Ratio in Wat 0.84 0.83 <br />Sulfate 1910 1840 <br />TDS (calculated) 2940 2940 <br />TDS (ratio -measured/calculat 1.04 1.14 <br />. 1. Negative (-) =less than <br />2. U =not detected at MDL (Minimum Detection Level) <br />